Wang Xingyun transmigrates into a post-apocalyptic wasteland, inhabiting the body of a frail, sickly young woman considered utterly useless. To make matters worse, her biological father forcibly arranges her marriage and sends her away. Fortunately, she returns with her spatial bracelet and relies on the knowledge accumulated in her previous life. While cautiously scavenging for supplies, she steadily builds up her strength. Breaking free from her shackles, she struggles to survive and accumulate wealth in the perilous wasteland. Growing stronger step by step, she eventually breaks free from the constraints of Blue Star and sets off toward the vast sea of stars.